9th Grade Physical Science-Thermal Energy and Heat

The flow of thermal energy from a warmer object to a cooler object is called

• heat

• temperature

• motion

• momentum

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The transfer of energy by electromagnetic waves is called

• conduction
• radiation
• convection
• insulation

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Heat transfer occurs

• in many directions
• both from warm to cold and cold to warm
• only from warm to cold
• only from cold to warm

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Heated AIR moves from baseboard heaters to the rest of a room in a process called

• conduction
• convection
• radiation
• insulation

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Which of these is a good conductor

• wood
• paper
• silver
• air

A measure of the AVERAGE kinetic energy of particles in an object is called 

• thermal energy
• conduction
• convection
• temperature

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The more particles an object has

• the higher its temperature

• the more thermal energy it has

• the more degrees it has

• the more kelvins it has

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Energy from the sun reaches Earth mostly by

• conduction

• radiation

• convection

• thermal expansion

Which of the following materials conducts heat well?

• glass

• plastic

• metal

• wood

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Trapped air is a good CONDUCTOR because it reduces heat transfer.

• False, radiation

• False, covection

• False, conduction

• False, insulator